Miller Electric WC-115A manual Operation, Maintenance & Troubleshooting, Volt Model Controls

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SECTION 4 − OPERATION

4-1. 115 Volt Model Controls

1

1 Run-In Speed Control

Use control to select welding wire speed before arc initiation. After arc initiation, the wire feed speed is controlled by the Wire Speed control on the gun/feeder.

2 Power Switch

Use switch to turn unit On and Off.

2

wfcontrols_1 1/96 / Ref. 144 451-D

4-2. Shielding Gas

32

1

1Shielding Gas Cylinder

2Valve

Open valve on cylinder just before welding.

Close valve on cylinder when finished welding.

3 Regulator/Flowmeter

sb5.1* 6/92 − S-0621-C

SECTION 5 − MAINTENANCE & TROUBLESHOOTING

	Y Disconnect power	. Maintain more often
	before maintaining.	during severe conditions.
	3 Months
Replace	Clean
Replace	And	Replace Damaged
Damaged Or	Tighten	Replace Damaged
Unreadable	Weld	Gas Hose
Labels	Terminals
		Repair Or Replace
		Cracked Cables
		And Cords
	6 Months
	Blow Out Or
	Vacuum Inside
		OM-1078 Page 17

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Contents OM-1078142 862L ProcessesDescription From Miller to You Table of Contents Page Marks a special safety message Symbol UsageArc Welding Hazards Electric Shock can killWelding can cause fire or explosion ARC Rays can burn eyes and skinFlying Metal can injure eyes Buildup of GAS can injure or killCalifornia Proposition 65 Warnings Principal Safety Standards EMF InformationAbout Pacemakers − Consignes DE Sécurité − À Lire Avant Utilisation Signification des symbolesLES Décharges Électriques peuvent être mortelles LES Fumées ET LES GAZ peuvent être dangereuxLES Particules Projetées peu- vent blesser les yeux LE Soudage peut causer un incen- die ou une explosionLES Pièces Chaudes peuvent cau- ser des brûlures graves LE Bruit peut affecter l’ouïeLA Chute DE L’APPAREIL peut blesser Risque D’INCENDIE OU D’EXPLO’EMPLOI Excessif peut Faire LES Pièces Mobiles peuvent cau- ser des blessuresPrincipales normes de sécurité Information sur les champs électromagnétiquesConsignes relatives aux stimulateurs cardiaques Specifications − InstallationTypical Process Connections Weld Output Terminals And Selecting Cable SizesGun/Feeder Connections Work . Contactor cord only on standard model Weld Cable Connections Input Power ConnectionPin Pin Information Remote Pin Pin Information Contact Closure ConnectionsContact Closure Aluminum On 1/8 in Material Typical Settings For 4043− Operation − Maintenance & TroubleshootingVolt Model Controls Shielding GasOverload Protection TroubleshootingCircuit Diagram − Electrical DiagramComplete Assembly Of WC-115A − Parts ListDia Part Description Quantity Mkgs OM-1078 Support ServiceMiller Electric Mfg. Co Owner’s Record